136 SEC. 4. KINEMATICS, STATICS, AND DYNAMICS. 



104. Sector mechanism (Reuleaux). 



Cycloid. 



105. Sector mechanism (Reuleaux). 



Cycloid. 



106. Cartwright's mechanism. 



107. Mandsley's mechanism. 



108. TchebischefPs mechanism. 



109. Harvey's mechanism. 



110. Harvey's mechanism. 



111. Pantograph. 



With elliptic Imkwork, 1st form. 



112. Pantograph. 



With prism guide. 



113. Semi-pantograph. 



With prism guide. 



114. Semi-pantograph. 



Steam engine model. 



115. Rhombic linkwork. 



557. V. Apparatus for describing Curves. 



116. Ellipsograph. 



117. Ellipsograph, by Slaby, on Haman and HempePs system. 



Describes also cycloids. Dr. Slaby's construction contains very 

 essential improvements. 



118. Elliptic chuck (Leonardo da Vinci). 



119. Elliptic chuck (Delnest). 



120. Sinoid and cardioid tracing gear. 



121. Curve tracing apparatus. 



122. Curve tracing apparatus. 



123. Mechanism for describing Lissajous' figures. 



Describes also ellipses. 



124. Hastie's conoid gear. 



125. Tricentric gear. 



Tor the construction of three-grooved taps, &c. 



126. (Form-) copying machine. 



127. Rose-engine. 



128. Rose-engine. 



129. Rose-engine. 



130. Rose-engine, special form. 



558. VI Parallel or Translating Trains. 



131. Parallel ruler. 



Single and double. 



132. Parallel ruler. 



With crossed bars. 



